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Buffers, Queues And Thresholds On Catalyst 6500 Ethernet Modules
White Papers With the wide variety of Ethernet modules currently available on the Catalyst 6500 series switches, determining the size of the port buffers, the number and type of the receive and transmit queues, and the number of tail-drop or Weighted Random...
[May 31, 2007, 1:00]
Doubling Memory Bandwidth For Network Buffers
White Papers Ping-pong buffering halves the number of memory operations per unit time, allowing faster buffers to be built from a given type of memory. But ping-pong buffers have an inherent penalty: they waste a fraction of the memory.
[December 12, 2003, 23:00]
Supporting Per-Processor Local-Allocation Buffers Using Multi-Processor Restartable Critical Sections
White Papers These per-thread local-allocation buffers (LABs) allow threads to allocate most objects without any need for further synchronization. As the number of threads exceeds the number of processors, however, the cost of committing memory to local...
[August 28, 2004, 3:00]
Synchronization Of TCP Flows In Networks With Small DropTail Buffers
White Papers A recent fluid-model formulation of an Internet congestion-control problem considers routers with small Droptail buffers. This paper is interested in the oscillatory regime of such networks and considers a topology where two TCP-controlled flows...
[October 31, 2007, 0:00]
Google Open Sources 'Protocol Buffers'
News Google has open sourced an internal development tool called 'Protocol Buffers', a data description language that forms a basic part of the operation of the company's vast computing cluster. Protocol Buffers could be useful for other organisations...
[July 10, 2008, 12:53]
Playing Silly Buffers: How Bad Programming Lets Viruses In
News It's also automatically transferred when one routine uses - calls - another one, so it's where buffers are built and filled. Sometimes a buffer can be a physical memory chip -- printers and video cards have dedicated buffers, where the processor...
[January 15, 2004, 16:40]
Playing Silly Buffers: How Bad Programming Lets Viruses In
Talkback They go to see the plop!
[January 20, 2004, 12:10]
Performance Of Bluetooth Piconets With Finite Size Buffers: A Queueing Theoretic Analysis
White Papers Bluetooth is an emerging technology for short range wireless personal area networks. Different aspects of Bluetooth technology have attracted considerable attention from both industry and academia, and the performance of Bluetooth piconets has been...
[August 9, 2005, 6:00]
Analysis: Intel-Alpha Deal Could Hit Regulatory Buffers
News While on the face of it unlikely, The Wall Street Journal's report pairing the two giants could well have a strong foundation. The Journal has an excellent reputation for veracity and doesn't print Silicon Valley tittle-tattle.
[October 7, 1997, 9:00]
C&W Merger May Hit Buffers, BT Warns
News British Telecom warned today that the proposed merger that would bring together Cable and Wireless (C&W), Videotron and the UK arms of Bell Canada and Nynex CableComms, could hit a regulatory buffer. If approved, the combined company would be a...
[October 22, 1996, 16:49]
Design And Implementation Of High-Performance Memory Systems For Future Packet Buffers
White Papers This paper addresses the design of a future high-speed router that supports line rates as high as OC-3072 (160 Gb/s), around one hundred ports and several service classes. Building such a high-speed router would raise many technological problems...
[October 4, 2004, 3:00]
TCP Internal Buffers Optimization For Fast Long-Distance Links
White Papers In recent years, issues regarding the behavior of TCP in high-speed and long-distance networks have been extensively addressed in the networking research community, both because TCP is the most widespread transport protocol in the current Internet...
[December 21, 2007, 0:01]
Queue Management For Short-Lived TCP Flows In Backbone Routers
White Papers Backbone routers are generally engineered to have large buffers, in which packets may wait as long as half a second (assuming FIFO service, longer otherwise). During congestion periods, these buffers may stay close to full, subjecting packets to...
[October 31, 2007, 0:00]
The Role Of Buffer Management In Controlling The Effects Of Congestion Over 10 GbE Links
White Papers This white paper describes the rationale for providing switch/routers with port buffers that are scaled to the expected delay-bandwidth product (DBP). DBP-sized buffers, together with RED congestion avoidance, can be used to optimize the...
[February 8, 2008, 0:16]
Fairness Analysis Of TCP/IP
White Papers This synchronization is a main result of the deployment of Drop Tail buffers in network routers. This permits to evaluate the improvement in fairness and utilization brought by the deployment of active buffers.
[January 15, 2008, 2:35]
Buffer Overflow Exploits: The Why And How
White Papers If programmers were perfect, there would be no unchecked buffers, and consequently, no buffer overflow exploits. However, programmers are not perfect, and unchecked buffers continue to abound. Buffer overflow exploits are pervasive, powerful, and...
[November 3, 2005, 0:00]
Apple Broadband Tuner
Downloads The installer increases the default values for the size of the TCP send and receive buffers. With larger buffers more data can be in transit at once. The Broadband Tuner allows you to take full advantage of very high speed FiOS based Internet...
[November 28, 2007, 11:11]
Performance Of Short TCP Transfers
White Papers But, these works didn't account for the impact of network buffers on the performance. It is known that small buffers along with a fast window increase leads to an early buffer overflow and an underestimation of the network capacity.
[January 15, 2008, 0:57]
Shared Running Buffer Based Proxy Caching Of Streaming Sessions
White Papers First, although multiple running buffers for the same media object co-exist in a given processing period, data sharing among multiple buffers is not considered. This paper proposes two techniques based on shared running buffers (SRB) in the proxy...
[October 24, 2003, 5:52]
Western Digital Debuts Serial ATA Hard Disks
News They typically run at 10,000rpm or 15,000rpm and feature large data buffers. Meanwhile, large buffers -- 8MB in the case of the Raptor drive -- help to eliminate bottlenecks, allowing quicker access to data.
[February 11, 2003, 8:30]
